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Finding the Fourth Proportional to 168,244.80, 252,585.90 and 135,002.40

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Solution

The fourth proportional to 168,244.80, 252,585.90 and 135,002.40 is: 202,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,244.80 : 252,585.90 = 135,002.40 : x
  2. Step 2: Convert to fraction form
    168,244.80/252,585.90 = 135,002.40/x
  3. Step 3: Cross multiply
    168,244.80x = 252,585.90 × 135,002.40
  4. Step 4: Simplify right side
    168,244.80x = 34,099,702,706.16
  5. Step 5: Solve for x
    x = 34,099,702,706.16/168,244.80
  6. Step 6: Final answer
    x = 202,679.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.